E8257D/67D, E8663D PSG Signal Generators Service Guide
Assembly Replacement
A33 10dB PAD (Options 532 and 544)
3-92
A33 10dB PAD (Options 532 and 544)
Tools Required
• 5/16” open–ended wrench
• needle–nose pliers
Removal Procedure
Refer to Figure 3- 56 for this procedure.
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to “Outer Instrument Cover” on page 3- 4 and “Inner
Instrument Cover” on page 3- 6.
3. Using the 5/16” open–ended wrench, disconnect the A33 10dB PAD from the A24 50 GHz Highband Coupler.
4. Using the 5/16” open–ended wrench, disconnect the A33 10dB PAD from the A25 50 GHz Highband Detector.
5. Remove the A33 10dB PAD.
Replacement Procedure
• Reverse the order of the removal procedure.
• Torque all RF connectors to 8 in–lbs.
• Perform the post–repair adjustments and performance tests that pertain to this removal procedure.
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